Thick copper strong secure crimping every time, providing minimal voltage drop, high current flow, and less heat. These will prevent short circuits and problematic wiring that inferior connectors are known for. It's flame-retardant, waterproof, and can be used underground. Features - Color: Assorted color. - Material: Nylon, copper. - Size: 19.50X13.20X3.50cm/7.66X5.19X1.38 inch. current: 19-48A. - Suitable wire: 0.5-6mm². - Can be ideally used in automobile and marine applications. - Each terminal in our electrical terminal kit features a strong copper to keep the wire tight when crimped. - Heat shrink tubing resistance to excellent stretch and mechanical damage. - Heat shrink electrical connectors: Complete your jobs or projects with wire connectors for automotive, marine, stereo, and many other electric oriented project. is an excellent conductor of electricity, and have a high melting point. These salient features will generate minimal heat while maintaining a high current flow with minimal voltage drop. Package list: 200 x terminals